/*
 * ProGuard -- shrinking, optimization, obfuscation, and preverification of Java bytecode.
 *
 * Copyright (c) 2002-2018 GuardSquare NV
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program; if not, write to the Free
 * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
package proguard.evaluation.value;

/**
 * This FloatValue represents a specific float value.
 *
 * @author Eric Lafortune
 */
abstract class SpecificFloatValue extends FloatValue {
    // Implementations of unary methods of FloatValue.

    public FloatValue negate() {
        return new NegatedFloatValue(this);
    }

    public IntegerValue convertToInteger() {
        return new ConvertedIntegerValue(this);
    }

    public LongValue convertToLong() {
        return new ConvertedLongValue(this);
    }

    public DoubleValue convertToDouble() {
        return new ConvertedDoubleValue(this);
    }

    // Implementations of binary methods of FloatValue.

    public FloatValue generalize(FloatValue other) {
        return other.generalize(this);
    }

    public FloatValue add(FloatValue other) {
        return other.add(this);
    }

    public FloatValue subtract(FloatValue other) {
        return other.subtractFrom(this);
    }

    public FloatValue subtractFrom(FloatValue other) {
        return other.subtract(this);
    }

    public FloatValue multiply(FloatValue other) {
        return other.multiply(this);
    }

    public FloatValue divide(FloatValue other) {
        return other.divideOf(this);
    }

    public FloatValue divideOf(FloatValue other) {
        return other.divide(this);
    }

    public FloatValue remainder(FloatValue other) {
        return other.remainderOf(this);
    }

    public FloatValue remainderOf(FloatValue other) {
        return other.remainder(this);
    }

    public IntegerValue compare(FloatValue other) {
        return other.compareReverse(this);
    }

    // Implementations of binary FloatValue methods with SpecificFloatValue
    // arguments.

    public FloatValue generalize(SpecificFloatValue other) {
        return this.equals(other) ? this : BasicValueFactory.FLOAT_VALUE;
    }

    public FloatValue add(SpecificFloatValue other) {
        return new CompositeFloatValue(this, CompositeFloatValue.ADD, other);
    }

    public FloatValue subtract(SpecificFloatValue other) {
        return new CompositeFloatValue(this, CompositeFloatValue.SUBTRACT, other);
    }

    public FloatValue subtractFrom(SpecificFloatValue other) {
        return new CompositeFloatValue(other, CompositeFloatValue.SUBTRACT, this);
    }

    public FloatValue multiply(SpecificFloatValue other) {
        return new CompositeFloatValue(this, CompositeFloatValue.MULTIPLY, other);
    }

    public FloatValue divide(SpecificFloatValue other) {
        return new CompositeFloatValue(this, CompositeFloatValue.DIVIDE, other);
    }

    public FloatValue divideOf(SpecificFloatValue other) {
        return new CompositeFloatValue(other, CompositeFloatValue.DIVIDE, this);
    }

    public FloatValue remainder(SpecificFloatValue other) {
        return new CompositeFloatValue(this, CompositeFloatValue.REMAINDER, other);
    }

    public FloatValue remainderOf(SpecificFloatValue other) {
        return new CompositeFloatValue(other, CompositeFloatValue.REMAINDER, this);
    }

    public IntegerValue compare(SpecificFloatValue other) {
        return BasicValueFactory.INTEGER_VALUE;

        // Not handling NaN properly.
        // return this.equals(other) ?
        // ParticularValueFactory.INTEGER_VALUE_0 :
        // new ComparisonValue(this, other);
    }

    // Implementations for Value.

    public boolean isSpecific() {
        return true;
    }

    // Implementations for Object.

    public boolean equals(Object object) {
        return object != null && this.getClass() == object.getClass();
    }

    public int hashCode() {
        return this.getClass().hashCode();
    }
}
